Unlock instant, AI-driven research and patent intelligence for your innovation.

Handling of terminating calls in a distributed system

a distributed system and call routing technology, applied in data switching networks, digital transmission, wireless commuication services, etc., can solve the problems of complex call routing in fixed telecommunication networks and different call routing in mobile telecommunication networks, and achieve the effect of efficient handling of mobile terminating calls

Inactive Publication Date: 2014-11-04
TELEFON AB LM ERICSSON (PUBL)
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This approach enables efficient handling of mobile terminating and handover calls by determining the correct cluster member and routing path, enhancing load balancing and availability in distributed switching systems.

Problems solved by technology

Call routing in a mobile telecommunication network is different from and generally more complicated than that in a fixed telecommunication network.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Handling of terminating calls in a distributed system
  • Handling of terminating calls in a distributed system
  • Handling of terminating calls in a distributed system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027]FIG. 1 illustrates the procedure of Home Location Register (HLR) interrogation in a conventional switching system 100. The basic HLR interrogation procedure shown in FIG. 1 is used in all conventional mobile communication networks for national and international roaming. A similar procedure is used for handovers, wherein the HON is used to route the call to a non-terminating switch. In some implementations the MSRNs can at the same time be used as HONs.

[0028]As shown in FIG. 1, the switching system 100 comprises a Gateway Mobile Switching Center (GMSC) 102 through which a mobile terminating call arrives, as indicated by arrow 104. The incoming call is associated with an MSISDN number which has been dialed by the calling party. A GMSC is basically a switch capable of interrogating the subscriber's HLR to obtain routing information, and thus contains a table linking an MSISDN to the corresponding HLR. Although the GMSC function is distinct from a normal Mobile Switching Center (M...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A technique for handling mobile terminating calls in a distributed switch is described. The switch includes at least one cluster wherein the at least one cluster comprises a plurality of cluster members. Each cluster member is associated with a set of roaming numbers and adapted to route a mobile terminating call to either a recipient subscriber served by the cluster member or to another cluster member which serves the recipient subscriber. The at least one cluster further comprises a first data structure having a content that is common to and accessible by all the cluster members of the cluster. The first data structure specifies the plurality of cluster members and the roaming number set associated with each cluster member.

Description

FIELD OF THE INVENTION[0001]The invention generally relates to call routing techniques in mobile telecommunication networks. In particular, the invention relates to a technique for routing a mobile terminating call or a handover call to a terminating switch where the recipient subscriber of the call is located in the network.BACKGROUND OF THE INVENTION[0002]Call routing in a mobile telecommunication network is different from and generally more complicated than that in a fixed telecommunication network. In a fixed network such as a Public Switched Telephone Network (PSTN), a user terminal is permanently connected to a central office, or a central switch. In a mobile telecommunication network on the other hand, a subscriber can roam freely from the service area of one switch to that of another. That is to say, the switch which serves the mobile subscriber—providing switching functions including call routing—may change from time to time.[0003]From the perspective of a calling party who...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(United States)
IPC IPC(8): H04W4/00
CPCH04L45/00H04L45/44H04L45/46H04W40/02H04W36/14H04W40/36H04W8/04
Inventor GEISEN, MICHAELURETSCHLAEGER, FRANK
Owner TELEFON AB LM ERICSSON (PUBL)